Coolant Temperature Sensor/Switch (For Computer): Service and Repair

REMOVAL PROCEDURE

NOTE: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.

1. Relieve coolant pressure.
2. Remove the air intake duct.
3. Disconnect the negative battery cable.
4. Disconnect the ECT sensor electrical connector.
5. Using a deep well socket and extension, remove the sensor.

INSTALLATION PROCEDURE
1. Coat engine coolant temperature sensor threads with sealer P/N 9985253 or equivalent.

NOTE: Refer to Fastener Notice in Cautions and Notices.

2. Install the ECT sensor in engine.

Tighten
Tighten the sensor to 23 N.m (17 lb. ft.).

3. Connect the ECT sensor electrical connector.
4. Install the air intake duct.
5. Connect the negative battery cable.
6. Start engine.
7. Check for leaks.